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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 33 |
| 3 | 3393 |
| 4 | 715329 |
| 5 | 255419649 |
| 6 | 138324673377 |
| 7 | 105723078203457 |
| 8 | 108400924932329601 |
| 9 | 143589514674637260801 |
| 10 | 238670525628280806487713 |
| 11 | 486411018516606613409744193 |
| 12 | 1192731112687557517714202303169 |
| 13 | 3464267964203640308372312350830849 |
| 14 | 11761665286319167564660531957187772897 |
| 15 | 46153563625764407361666349419808431496257 |
| 16 | 207288280492672493893642973836751374267592961 |
[1,1,33,3393,715329,255419649,138324673377, 105723078203457,108400924932329601, 143589514674637260801,238670525628280806487713, 486411018516606613409744193, 1192731112687557517714202303169, 3464267964203640308372312350830849, 11761665286319167564660531957187772897, 46153563625764407361666349419808431496257, 207288280492672493893642973836751374267592961] |